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OPA1632发热问题

Other Parts Discussed in Thread: OPA1632, ADS1271

我现在使用OPA1632做一个模拟信号的调理电路,供电+/-12V,输入-5~+5V,输出-2.5V~+2.5V,芯片能正常工作,但发热比较厉害,温度大概50~60C,断开后级电路,空载运放依然发热比较厉害,电路图如下,请帮忙看看电路部分有没有什么问题?主要会有什么原因造成芯片发热?是不是OPA1632的静态功耗有点大?有没有其他好的选择?